Metastatic melanoma of the gallbladder

Yukihisa Takayama, Yoshiki Asayama, Kengo Yoshimitsu, Hiroyuki Irie, Tsuyoshi Tajima, Masakazu Hirakawa, Kousei Ishigami, Daisuke Kakihara, Atsushi Sugitani, Yoichi Moroi, Takashi Eguchi, Hiroshi Honda

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Abstract

We report the findings of a magnetic resonance (MR) imaging analysis of metastatic melanoma of the gallbladder in a 36-year-old woman. MR imaging revealed that the gallbladder wall was diffusely thickened, and the tumor showed slightly high-intensity on T1-weighted images. The apparent diffusion coefficient value of the tumor was 0.69 × 10-3 mm2/s, indicating high cellularity. Surgical specimens revealed that the tumor was a metastatic melanoma showing medullary growth with intratumoral hemorrhaging. These MR findings are helpful for preoperative diagnosis.

Original languageEnglish
Pages (from-to)469-471
Number of pages3
JournalComputerized Medical Imaging and Graphics
Volume31
Issue number6
DOIs
Publication statusPublished - Sep 1 2007

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Computer Vision and Pattern Recognition
  • Health Informatics
  • Computer Graphics and Computer-Aided Design

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    Takayama, Y., Asayama, Y., Yoshimitsu, K., Irie, H., Tajima, T., Hirakawa, M., Ishigami, K., Kakihara, D., Sugitani, A., Moroi, Y., Eguchi, T., & Honda, H. (2007). Metastatic melanoma of the gallbladder. Computerized Medical Imaging and Graphics, 31(6), 469-471. https://doi.org/10.1016/j.compmedimag.2007.03.005